Energy Forms & Transformations

What type of energy transformation occurs when using an electric pencil sharpener?

• electrical to mechanical

• sound to electrical

• mechanical to electrical

• potential to sound

A lamp begins with electrical energy when plugged in and turns into _________ energy when the light comes on.

• mechanical

• kinetic

• radiant

• sound

What type of energy transformation occurs when a hawk eats a mouse and then uses that energy to fly?

• chemical to mechanical

• mechanical to chemical

• thermal to mechanical

• mechanical to thermal

What type of energy transformation happens in hydro-electric power?

• kinetic to potential

• sound to mechanical

• chemical to electrical

• mechanical to electrical

Which of the following energy transformations occur when the lamp is plugged into the outlet and the bulb is inserted into the lamp?

• thermal - electrical - light

• electrical - light - thermal

• light - thermal - electrical

• electrical - thermal - light

What type of energy is electrons flowing through a wire?

• Electrical energy

• Chemical energy

• Kinetic energy

• Mechanical energy

What type of energy is stored in batteries or food?

• Potential energy

• Thermal energy

• Chemical energy

• Mechanical energy

Energy that transfers heat is?

• Thermal energy

• Potential energy

• Mechanical energy

• Kinetic energy

What energy transformation occurs as bioluminescent algae glow in the ocean?

• Radiant --> Chemical

• Thermal --> Radiant

• Chemical --> Radiant

• Thermal --> Chemical

What energy transformation occurs during photosynthesis?

• Chemical --> Radiant

• Thermal --> Chemical

• Radiant --> Chemical

• Mechanical --> Thermal